/*
 * Created on 22-Apr-2005
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package org.gudy.azureus2.core3.util;

import java.io.PrintWriter;

public class IndentWriter {
    private static final String INDENT_STRING = "    ";
    private static final String INDENT_STRING_HTML = "&nbsp;&nbsp;&nbsp;&nbsp;";

    private PrintWriter pw;
    private String indent = "";

    private boolean html;

    private boolean force;

    public IndentWriter(PrintWriter _pw) {
        pw = _pw;
    }

    public void setHTML(boolean _html) {
        html = _html;
    }

    public void println(String str) {
        if (html) {

            pw.print(indent + str + "<br>");

        } else {

            pw.println(indent + str);
        }

        if (force) {

            pw.flush();
        }
    }

    public void indent() {
        indent += html ? INDENT_STRING_HTML : INDENT_STRING;
    }

    public void exdent() {
        if (indent.length() > 0) {

            indent = indent.substring((html ? INDENT_STRING_HTML : INDENT_STRING).length());
        }
    }

    public String getTab() {
        return (html ? INDENT_STRING_HTML : INDENT_STRING);
    }

    public void setForce(boolean b) {
        force = b;
    }

    public void close() {
        pw.close();
    }
}
